4441221453 has 8 divisors (see below), whose sum is σ = 5921937216. Its totient is φ = 2960660000.

The previous prime is 4441221451. The next prime is 4441221509. The reversal of 4441221453 is 3541221444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4441221453 - 2¹ = 4441221451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4441221453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441221451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86728 + ... + 128078.

It is an arithmetic number, because the mean of its divisors is an integer number (740242152).

Almost surely, 2^4441221453 is an apocalyptic number.

It is an amenable number.

4441221453 is a deficient number, since it is larger than the sum of its proper divisors (1480715763).

4441221453 is a wasteful number, since it uses less digits than its factorization.

4441221453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77155.

The product of its digits is 15360, while the sum is 30.

The square root of 4441221453 is about 66642.4898469437. The cubic root of 4441221453 is about 1643.7438577592.

Adding to 4441221453 its reverse (3541221444), we get a palindrome (7982442897).

Subtracting from 4441221453 its reverse (3541221444), we obtain a palindrome (900000009).

The spelling of 4441221453 in words is "four billion, four hundred forty-one million, two hundred twenty-one thousand, four hundred fifty-three".